*{
    margin: 0;
    padding: 0;
}
li{
    list-style-type: none;
}
a{
    text-decoration: none;
}
html,body{
    height: 100%;
    overflow-y: auto;
}
.top_box{
    /* height: 720px; */
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 8;
}
.left{
    width: 175px;
    height: 500px;
    /* border: 1px solid black; */
    position: fixed;
    top: 15px;
    left: 25px;
}
.left h2{
    font-size: 20px;
    color: #000000;
    font-weight: 900;
}
.left .nav_item{
    width: 100%;
    height: auto;
}
.nav_item>h3{
    font-size: 11px;
    line-height: 20px;
    color: #000000;
}
.nav_item>.itembox{
    width: 100%;
    height: 0px;
    overflow: hidden;
    transition-property: height;
    transition-duration: 1s;
}
.nav_item:nth-of-type(4){
    margin-top: 32px;
}
.itembox ul{
    margin: 5px 0 5px 0;
}
.itembox ul li a{
    font-size: 11px;
    line-height: 15px;
    color: #000;
}
.nav_item:hover>.itembox{
    height: 210px;
}
.nav_item:nth-of-type(3):hover >.itembox{
    height: 100px;
}
.nav_item:nth-of-type(4):hover >.itembox,
.nav_item:nth-of-type(5):hover >.itembox,
.nav_item:nth-of-type(6):hover >.itembox{
    height: 150px;
}
.nav_item:nth-of-type(7):hover >.itembox{
    height: 50px;
}
.center{
    flex: 1;
    height: 1000px;
}
.right{
    width: 175px;
    height: 500px;
    /* border: 1px solid black; */
    position: fixed;
    /* right: 15px; */
    top: 15px;
    right: 25px;
}
.right i{
    position: absolute;
    top: 15px;
    right: 19px;
    font-size: 19px;
    color: #0d0d0d;
}
.right ul{
    position: absolute;
    right: 19px;
    top: 50px;
}
.right ul li{
    text-align: right;
}
.right ul li a{
    font-size: 11px;
    color: #0d0d0d;
    line-height: 15px;
}
.seach{
    width: 310px;
    height: 100%;
    /* border: 1px solid black; */
    background-color: #ffffff;
    position: absolute;
    top: 0;
    right: -310px;
    transition: all .8s;
    display: none;
}
.seach input{
    width: 200px;
    height: 30px;
    border: none;
    outline: none;
    margin-top: 10px;
    margin-left: 10px;
}
.seach input::-webkit-input-placeholder{
    font-weight: 900;
}
.seach i{
    font-size: 8px;
    color: rgb(128, 122, 122);
    margin-top: 15px;
    position: absolute;
    right: 10px;
}
.seach_ul{
    position: absolute;
    top: 50px;
    left: 10px;
}
.seach_ul h4{
    font-size: 11px;
    color: #000;
    font-weight: 700;
}
.seach_ul ul li a{
    font-size: 8px;
    color: #000000;
}
.bottom_box{
    height: 135px;
    border-top: 1px solid #e6e6e6;
}
.bottom_box ul{
    display: flex;
    flex-direction: row;
    height: 135px;
}
.bottom_box ul li{
    flex: 1;
    height: 135px;
}
.bottom_box ul li a{
    height: 135px;
    display: flex;
    flex-direction: column;
    position: relative;
}
.bottom_box ul li a span{
    font-size: 8px;
    color: #000000;
    position: relative;
    top: 24px;
}
.bottom_box ul li a:nth-of-type(1) {
    margin-left: 25px;
    /* position: absolute;
    left: 25px; */
}
.bottom_box ul li .a1 span:nth-of-type(3){
    top: 70px;
}
.bottom_box ul li .a2 span:nth-of-type(5),
.bottom_box ul li .a3 span:nth-of-type(5),
.bottom_box ul li .a4 span:nth-of-type(5){
    top: 38px;
}
.bottom_box ul li .a3 span:nth-of-type(5),
.bottom_box ul li .a4 span:nth-of-type(5){
    display: flex;
    flex-direction: row;
}
.bottom_box ul li .a3 span:nth-of-type(5) i{
    display: block;
    width: 17px;
    height: 20px;
    background: url(../img/GA2.png)no-repeat;
    background-size: contain;
}
.bottom_box ul li .a4 span:nth-of-type(5) i{
    display: block;
    width: 17px;
    height: 20px;
    background: url(../img/公安照片.jpg)no-repeat;
    background-size: contain;
}